Home / 25,789.05-35,585.71-15,713.82

Finding the Fourth Proportional to 25,789.05, 35,585.71 and 15,713.82

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Solution

The fourth proportional to 25,789.05, 35,585.71 and 15,713.82 is: 21,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.05 : 35,585.71 = 15,713.82 : x
  2. Step 2: Convert to fraction form
    25,789.05/35,585.71 = 15,713.82/x
  3. Step 3: Cross multiply
    25,789.05x = 35,585.71 × 15,713.82
  4. Step 4: Simplify right side
    25,789.05x = 559,187,402.23
  5. Step 5: Solve for x
    x = 559,187,402.23/25,789.05
  6. Step 6: Final answer
    x = 21,683.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.